# Pizza Stack Puzzle Blast vs Zen Rings

The clearest difference is update cadence: Zen Rings at every 3 days against Pizza Stack Puzzle Blast's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pizza Stack Puzzle Blast ships an update every 2 months, Zen Rings every 3 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Pizza Stack Puzzle Blast | Zen Rings |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 72 MB | 157 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [礼俊 谌](https://appshunter.io/developer/1801216682) | [旭东 宗](https://appshunter.io/developer/1895980758) |

## What reviewers say

### Pizza Stack Puzzle Blast

[App page](https://appshunter.io/ios/app/pizza-stack-puzzle-blast/id6749882593)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zen Rings

[App page](https://appshunter.io/ios/app/zen-rings-circular-fit/id6768257680)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pizza Stack Puzzle Blast free?

Pizza Stack Puzzle Blast is free to download, with no in-app purchases.

### Is Zen Rings free?

Zen Rings is free to download, with no in-app purchases.

### Do Pizza Stack Puzzle Blast or Zen Rings have ads?

Both Pizza Stack Puzzle Blast and Zen Rings show ads.

### Which is updated more often, Pizza Stack Puzzle Blast or Zen Rings?

Pizza Stack Puzzle Blast ships an update every 2 months, and Zen Rings every 3 days. Most recently, Pizza Stack Puzzle Blast was updated on November 8, 2026 and Zen Rings on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*